Finding the Fourth Proportional to 4,688,132.96, 7,032,471.68 and 1,809,516.08
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Solution
The fourth proportional to 4,688,132.96, 7,032,471.68 and 1,809,516.08 is: 2,714,379.20
Step by Step Solution
- Step 1: Write the proportion equation
4,688,132.96 : 7,032,471.68 = 1,809,516.08 : x - Step 2: Convert to fraction form
4,688,132.96/7,032,471.68 = 1,809,516.08/x - Step 3: Cross multiply
4,688,132.96x = 7,032,471.68 × 1,809,516.08 - Step 4: Simplify right side
4,688,132.96x = 12,725,370,587,104.62 - Step 5: Solve for x
x = 12,725,370,587,104.62/4,688,132.96 - Step 6: Final answer
x = 2,714,379.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.